Sh'eenaz is a siren or mermaid who fell in love with a human duke, Agloval. In this story, the prince initially hires Geralt to convince Sh'eenaz to abandon her home in the sea to live with him on land. She appears in "Trochę poświęcenia" ("A Little Sacrifice") a short story in the Miecz przeznaczenia ("The Sword of Destiny") collection by Andrzej Sapkowski.